LBA has a little under three million passengers and is borderline LHR material, currently struggling but with some hope to make it.
NQY has under 170,000!
Going slightly off topic, but following on from your quote Skipness, you may be interested to note that Tarom have recently launched a 2x weekly service from Iasi in NE Romania to Heathrow. Iasi airport in 2012 had approx 170,000 passengers.
Then again this new route to Iasi may not last that long... !